Sash lift



FIG. 1 is a perspective view of a sash lift showing my new design;

FIG. 2 is a top plan view, the bottom being a mirror image;

FIG. 3 is a front view, the rear being unornamented;

FIG. 4 is a left end view, the right end being a mirror image. 

The ornamental design for a sash lift, as shown. 